Mining belt edge tearing detection alarm

The utility model relates to the technical field of mining belts, in particular to an edge tearing detection alarm for a mining belt. Comprising a control box, an external barrel section, a controller, a shaft rod, a roller and a detection element, the control box is fixedly arranged on one side of the external barrel section, the controller is arranged in the control box, a bearing assembly is arranged in the external barrel section, the shaft rod is rotationally installed in the external barrel section through the bearing assembly, and a detection rubber plate is fixedly arranged at the end, extending into the external barrel section, of the shaft rod; the other end of the shaft rod is fixedly sleeved with a roller, a detection element is arranged at the position, corresponding to the detection rubber plate, in the outer barrel section, the detection element is electrically connected with a controller, the controller is electrically connected with an alarm, and the alarm is fixedly arranged on an outer box